Examine source code of Simple Bamboo 4

{
  "name": "Simple Bamboo 4",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "SimpleBambooH4Custom.jpg"
    },
    "colors": {
      "frame": "rgba(233, 219, 184, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(235, 223, 185, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(235, 223, 185, 0.08)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{588da5f5-c25c-4364-9eee-42ad9b416f6f}"
    }
  }
}